1. NOISE CONTROLS FOR UNDERGROUND MINING

2. SOURCE PATH RECEIVER

3. NOISE EXPOSURE CAN BE REDUCED BY:  APPLYING CONTROLS TO THE SOURCE (S)  BLOCKING THE PATH (S)  ENCLOSING THE RECEIVER

4. FLIGHTS CAN BE ISOLATED FROM PAN / CONVEYOR WEAR STEEL VIBRATION DAMPING MATERIAL

5. FLIGHTS ARE HELD IN PLACE ON THE BOTTOM OF THE PAN WEAR STEEL VIBRATION DAMPING

6. THE MINED MATERIAL LAYS BETWEEN THE WEAR STRIPS AND FURTHER HELPS TO REDUCE THE SOUND

7. VENTILATION FANS SHOULD BE KEPT ISOLATED FROM FACE AREA

8. Fan Silencers Should be Inspected and Cleaned as Necessary

9. SOUND ABSORPTIVE MATERIALS CAN BE INSTALLED

10. MUFFLERS CAN BE COVERED DOORS CAN BE TREATED

11. EXHAUST SYSTEMS SHOULD BE MAINTAINED EXHAUST SYSTEMS SHOULD BE MAINTAINED

12. Original Equipment Manufacturers Cabs Jumbo Drill L H D

13. OEM CABS ARE BECOMING MORE COMMON IN UNDERGROUND MINING LHD SCALER

14. CABS CAN ALSO BE FABRICATED AND ACOUSTICALLY TREATED

15. BARRIERS CAN BE USED TO BLOCK SOUND LEVELS EMITTED BY UNDERGROUND MINING EQUIPMENT BARRIERS CAN BE USED TO BLOCK SOUND LEVELS EMITTED BY UNDERGROUND MINING EQUIPMENT

17. HERE ARE TWO EXAMPLES OF THE USE OF BARRIERS JUMBO DRILL SCALER

18. CENTRAL MONITORING OF UNDERGROUND LOCATIONS

19. Additional Resources www.msha.gov/1999noise/Guides/SurftotalFinal.pdf

20. Your children can whisper to you now, Don’t make them shout at you in the future